Figure 8.1: Overlay plot of response vs. explanatory and predicted vs.

Chapter

ABSTRACT

The normality assumption is checked by examining a normal probability plot of the residuals from the fitted model. This is produced by the following SAS code:

The SAS plot of the residuals is shown in Figure 8.2.

Figure 8.1: Overlay plot of response vs. explanatory and predicted vs. explanatory variables

ABSTRACT